Miller died in September. He was 26.
'If we made it thru this last year, we’ll for sure make it thru this one.'
The singer was scheduled to perform at the Cosmopolitan in Las Vegas on Saturday.
There was no shortage of heartache in 2018.
Michael Buble and his ugly Christmas sweater stop by too!
Take a peek at the singer's insane holiday decorations!
From royal weddings and babies to surprising splits, rehab stints and TV scandals, there wasn't a dull moment in 2018!
The 25-year-old singer took the stage alongside former 'SNL' stars in a hilarious rendition of 'I Wish it Was Christmas Today.'
The singer joined in on a wonderful rendition of 'I Wish It Was Christmas Today.'
The singer noted that "sometimes the world is upside down," as she stepped out looking somber in New York City on Tuesday.
Listen to the Tennessee native's rendition of the hit track.
ET takes a look back at some of the best music videos we were gifted with in 2018.
The comic appeared on 'SNL' briefly after concerning fans with an Instagram post that led some to worry he planned on harming himself.
Davidson alerted fans and famous friends after posting about not wanting to 'be on this Earth anymore.'
